111421142401 has 8 divisors (see below), whose sum is σ = 113712890400. Its totient is φ = 109142836320.

The previous prime is 111421142383. The next prime is 111421142423. The reversal of 111421142401 is 104241124111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111421142401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111421142101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3343731 + ... + 3376888.

It is an arithmetic number, because the mean of its divisors is an integer number (14214111300).

Almost surely, 2^111421142401 is an apocalyptic number.

It is an amenable number.

111421142401 is a deficient number, since it is larger than the sum of its proper divisors (2291747999).

111421142401 is an equidigital number, since it uses as much as digits as its factorization.

111421142401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6720959.

The product of its (nonzero) digits is 256, while the sum is 22.

Adding to 111421142401 its reverse (104241124111), we get a palindrome (215662266512).

The spelling of 111421142401 in words is "one hundred eleven billion, four hundred twenty-one million, one hundred forty-two thousand, four hundred one".